C-C coupling formation using nitron complexes

Sevim M., KAVUKCU S. B., Kinal A., Şahin O., Türkmen H.

Dalton Transactions, vol.49, no.46, pp.16903-16915, 2020 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 49 Issue: 46
  • Publication Date: 2020
  • Doi Number: 10.1039/d0dt02937h
  • Journal Name: Dalton Transactions
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aquatic Science & Fisheries Abstracts (ASFA), Chimica, Communication Abstracts, Compendex, EMBASE, MEDLINE
  • Page Numbers: pp.16903-16915
  • Istanbul Technical University Affiliated: No

Abstract

© The Royal Society of Chemistry.A series of RuII (1), RhIII (2), IrIII (3, 4), IrI (5) and PdII (6-9) complexes of the 'instant carbene' nitron were prepared and characterized by 1H- and 13C-NMR, FT-IR and elemental analysis. The molecular structures of complexes 1-4 and 6 were determined by X-ray diffraction studies. The catalytic activity of the complexes (1-9) was evaluated in alpha(α)-alkylation reactions of ketones with alcohol via the borrowing hydrogen strategy under mild conditions. These complexes were able to perform this catalytic transformation in a short time with low catalyst and base amounts under an air atmosphere. Also, the PdII-nitron complexes (6-9) were applied in the Suzuki-Miyaura C-C coupling reaction and these complexes successfully initiated this reaction in a short time (30 minutes) using the H2O/2-propanol (1.5 : 0.5) solvent system. The DFT calculations revealed that the Pd0/II/0 pathway was more preferable for the mechanism